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Tribology Issues and Opportunities in MEMS - Proceedings of the NSF/AFOSR/ASME Workshop on Tribology Issues and Opportunities in MEMS held in Columbus, Ohio, U.S.A., 9-11 November 1997 (Paperback, Softcover reprint of the original 1st ed. 1998)
Loot Price: R8,599
Discovery Miles 85 990
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Tribology Issues and Opportunities in MEMS - Proceedings of the NSF/AFOSR/ASME Workshop on Tribology Issues and Opportunities in MEMS held in Columbus, Ohio, U.S.A., 9-11 November 1997 (Paperback, Softcover reprint of the original 1st ed. 1998)
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Micro Electro Mechanical Systems (MEMS) is already about a billion
dollars a year industry and is growing rapidly. So far major
emphasis has been placed on the fabrication processes for various
devices. There are serious issues related to tribology, mechanics,
surfacechemistry and materials science in the operationand
manufacturingof many MEMS devices and these issues are preventing
an even faster commercialization. Very little is understood about
tribology and mechanical properties on micro- to nanoscales of the
materials used in the construction of MEMS devices. The MEMS
community needs to be exposed to the state-of-the-artoftribology
and vice versa. Fundamental understanding of friction/stiction,
wear and the role of surface contamination and environmental debris
in micro devices is required. There are significantadhesion,
friction and wear issues in manufacturing and actual use, facing
the MEMS industry. Very little is understood about the tribology of
bulk silicon and polysilicon films used in the construction ofthese
microdevices. These issues are based on surface phenomenaand
cannotbe scaled down linearly and these become increasingly
important with the small size of the devices. Continuum theory
breaks down in the analyses, e. g. in fluid flow of micro-scale
devices. Mechanical properties ofpolysilicon and other films are
not well characterized. Roughness optimization can help in
tribological improvements. Monolayers of lubricants and other
materials need to be developed for ultra-low friction and near zero
wear. Hard coatings and ion implantation techniques hold promise.
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